update

test/test_julia_to_julia_mix_payload_sender.jl

@@ -83,7 +83,7 @@ function create_sample_data()
     )
     
     # Table data (DataFrame - small - direct transport)
-    table_data = DataFrame(
+    table_data_small = DataFrame(
         id = 1:10,
         message = ["msg_$i" for i in 1:10],
         sender = ["sender_$i" for i in 1:10],
@@ -91,6 +91,16 @@ function create_sample_data()
         priority = rand(1:3, 10)
     )
     
+    # Table data (DataFrame - large - link transport)
+    # ~1.5MB of data (150,000 rows) - should trigger link transport
+    table_data_large = DataFrame(
+        id = 1:150_000,
+        message = ["msg_$i" for i in 1:150_000],
+        sender = ["sender_$i" for i in 1:150_000],
+        timestamp = [string(Dates.now()) for i in 1:150_000],
+        priority = rand(1:3, 150_000)
+    )
+    
     # Image data (small binary - direct transport)
     # Create a simple 10x10 pixel PNG-like data (128 bytes header + 100 pixels = 112 bytes)
     # Using simple RGB data (10*10*3 = 300 bytes of pixel data)
@@ -104,25 +114,52 @@ function create_sample_data()
         push!(image_data, 0xFF, 0x00, 0x00)  # Red pixel
     end
     
+    # Image data (large - link transport)
+    # Create a larger image (~1.5MB) to test link transport
+    large_image_width = 500
+    large_image_height = 1000
+    large_image_data = UInt8[]
+    # PNG header (simplified for 500x1000)
+    push!(large_image_data, 0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A)
+    # RGB data (500*1000*3 = 1,500,000 bytes)
+    for i in 1:large_image_width*large_image_height
+        push!(large_image_data, rand(1:255), rand(1:255), rand(1:255))  # Random color pixels
+    end
+    
     # Audio data (small binary - direct transport)
-    # Create a simple audio-like data (100 bytes)
     audio_data = UInt8[rand(1:255) for _ in 1:100]
     
+    # Audio data (large - link transport)
+    # ~1.5MB of audio-like data
+    large_audio_data = UInt8[rand(1:255) for _ in 1:1_500_000]
+    
     # Video data (small binary - direct transport)
-    # Create a simple video-like data (150 bytes)
     video_data = UInt8[rand(1:255) for _ in 1:150]
     
+    # Video data (large - link transport)
+    # ~1.5MB of video-like data
+    large_video_data = UInt8[rand(1:255) for _ in 1:1_500_000]
+    
     # Binary data (small - direct transport)
     binary_data = UInt8[rand(1:255) for _ in 1:200]
     
+    # Binary data (large - link transport)
+    # ~1.5MB of binary data
+    large_binary_data = UInt8[rand(1:255) for _ in 1:1_500_000]
+    
     return (
         text_data,
         dict_data,
-        table_data,
+        table_data_small,
+        table_data_large,
         image_data,
+        large_image_data,
         audio_data,
+        large_audio_data,
         video_data,
-        binary_data
+        large_video_data,
+        binary_data,
+        large_binary_data
     )
 end
 
@@ -130,17 +167,22 @@ end
 # Sender: Send mixed content via smartsend
 function test_mix_send()
     # Create sample data
-    (text_data, dict_data, table_data, image_data, audio_data, video_data, binary_data) = create_sample_data()
+    (text_data, dict_data, table_data_small, table_data_large, image_data, large_image_data, audio_data, large_audio_data, video_data, large_video_data, binary_data, large_binary_data) = create_sample_data()
     
-    # Create payloads list - mixed content with different types
+    # Create payloads list - mixed content with both small and large data
+    # Small data uses direct transport, large data uses link transport
     payloads = [
+        # Small data (direct transport) - text, dictionary, small table
         ("chat_text", text_data, "text"),
         ("chat_json", dict_data, "dictionary"),
-        ("chat_table", table_data, "table"),
-        ("user_image", image_data, "image"),
-        ("audio_clip", audio_data, "audio"),
-        ("video_clip", video_data, "video"),
-        ("binary_file", binary_data, "binary")
+        ("chat_table_small", table_data_small, "table"),
+        
+        # Large data (link transport) - large table, large image, large audio, large video, large binary
+        ("chat_table_large", table_data_large, "table"),
+        ("user_image_large", large_image_data, "image"),
+        ("audio_clip_large", large_audio_data, "audio"),
+        ("video_clip_large", large_video_data, "video"),
+        ("binary_file_large", large_binary_data, "binary")
     ]
     
     # Use smartsend with mixed content

test/test_julia_to_julia_mix_payloads_receiver.jl

@@ -193,6 +193,21 @@ function test_mix_receive()
         log_trace("Audio payloads: $audio_count")
         log_trace("Video payloads: $video_count")
         log_trace("Binary payloads: $binary_count")
+        
+        # Print transport type info for each payload if available
+        println("\n=== Payload Details ===")
+        for (dataname, data, data_type) in result
+            if data_type in ["image", "audio", "video", "binary"]
+                log_trace("$dataname: $(length(data)) bytes (binary)")
+            elseif data_type == "table"
+              data = DataFrame(data)
+                log_trace("$dataname: $(size(data, 1)) rows x $(size(data, 2)) columns (DataFrame)")
+            elseif data_type == "dictionary"
+                log_trace("$dataname: $(length(JSON.json(data))) bytes (Dict)")
+            elseif data_type == "text"
+                log_trace("$dataname: $(length(data)) characters (String)")
+            end
+        end
     end
     
     # Keep listening for 2 minutes